I am Sai Swetha, a Senior Full Stack Engineer with 7+ years of experience building scalable, high-performance applications across financial services and healthcare domains. I specialize in Java, Spring Boot, React, and TypeScript, with a passion for designing microservices architectures, event-driven systems, and low-latency APIs. I have hands-on experience with cloud-native development on AWS and Azure, containerization with Kubernetes, and AI-powered features using LLMs, LangChain, and RAG pipelines. I’m adept at collaborating with stakeholders, aligning security and compliance standards, and delivering reliable, scalable solutions in high-throughput production environments.

Sai Swetha

I am Sai Swetha, a Senior Full Stack Engineer with 7+ years of experience building scalable, high-performance applications across financial services and healthcare domains. I specialize in Java, Spring Boot, React, and TypeScript, with a passion for designing microservices architectures, event-driven systems, and low-latency APIs. I have hands-on experience with cloud-native development on AWS and Azure, containerization with Kubernetes, and AI-powered features using LLMs, LangChain, and RAG pipelines. I’m adept at collaborating with stakeholders, aligning security and compliance standards, and delivering reliable, scalable solutions in high-throughput production environments.

Available to hire

I am Sai Swetha, a Senior Full Stack Engineer with 7+ years of experience building scalable, high-performance applications across financial services and healthcare domains. I specialize in Java, Spring Boot, React, and TypeScript, with a passion for designing microservices architectures, event-driven systems, and low-latency APIs.

I have hands-on experience with cloud-native development on AWS and Azure, containerization with Kubernetes, and AI-powered features using LLMs, LangChain, and RAG pipelines. I’m adept at collaborating with stakeholders, aligning security and compliance standards, and delivering reliable, scalable solutions in high-throughput production environments.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Work Experience

Senior Full Stack Engineer at Bank of America
July 1, 2025 - Present
Built high-throughput Java microservices using Spring Boot, Kafka, and event-driven patterns, handling 2M+ daily transactions and improving trading workflow latency. Optimized multithreaded execution and tuned the JVM for sub-200ms response times at peak load, achieving ~40% throughput gains. Developed Python-based RAG pipelines with LangChain, FAISS, and FastAPI for secure LLM inference, reducing internal query resolution time by ~50%. Refined Oracle SQL queries and indexing for large datasets, cutting data retrieval time by ~45% and boosting reporting efficiency. Containerized microservices and AI workloads with Docker and Kubernetes, accelerating release cycles by ~60%. Collaborated with 10+ stakeholders to secure APIs and enforce enterprise security policies, reducing production defects by ~30%.
Full Stack Engineer at Cigna Healthcare
August 1, 2024 - June 30, 2025
Built scalable Java 17/Spring Boot microservices with REST APIs, increasing throughput by 30% and reducing API latency by 25% across healthcare systems. Delivered AI-driven clinical summarization using OpenAI, Claude, LangChain, and RAG pipelines, improving data accuracy by 35% and cutting manual review time by 40%. Enhanced React 18 and TypeScript apps with Redux Toolkit, boosting page load performance by 30%. Managed AWS deployments with Docker, Kubernetes, and CI/CD pipelines, reducing deployment time by 35% and improving release stability. Enabled real-time processing of 1M+ healthcare events daily by integrating Kafka streaming and Spring Cloud. Strengthened authentication and compliance using OAuth2, JWT, and encryption, achieving HIPAA compliance and reducing vulnerabilities by 40% via automated tests.
Graduate Research Assistant – Full Stack at University of Maryland - Baltimore County
January 1, 2023 - July 1, 2024
Built a retrieval-driven web application with a React frontend and Node.js backend to enable semantic search across biomedical datasets, using embedding-based retrieval with PyTorch/TensorFlow and LLM-assisted query understanding for improved search relevance. Designed REST APIs for search, indexing, and retrieval; integrated OpenAI APIs into a RAG pipeline to generate context-aware, citation-backed responses. Developed a lightweight Go service for efficient document ingestion and preprocessing; containerized and deployed on Azure Kubernetes Service (AKS). Employed AI-assisted development tools to accelerate prototyping, debugging, and documentation.
Software Engineer at Tech Mahindra
December 1, 2019 - August 31, 2022
Built event-driven microservices using Java 11, Spring Boot, and Kafka to process real-time patient data, reducing latency by 35% and supporting 1M+ daily records. Designed REST APIs and backend services with Spring Cloud and Hibernate enabling HL7/FHIR-based integrations and improving interoperability by 40%. Developed Angular/JavaScript front-end, reducing page load times by ~30%. Improved PostgreSQL and MongoDB performance via query tuning and indexing, reducing data retrieval times by 45% for datasets >5M. Migrated legacy monoliths to cloud-based microservices on AWS/Azure, cutting deployment time by 50% and achieving 99.9% uptime with CI/CD pipelines. Led a team of 4 engineers to deliver telehealth features with HIPAA-compliant security.
Junior Software Engineer at Freshworks
February 1, 2018 - November 30, 2019
Built RESTful microservices using Java 8 and Spring Boot; reduced API latency by 35% for high-volume SaaS workloads. Migrated core modules from a Ruby monolith to microservices with Hibernate and MySQL, reducing system coupling by 40%. Optimized MySQL queries and indexing, cutting execution time by 45% for transactional datasets. Introduced Redis caching for high-traffic endpoints, reducing DB load by 50% and maintaining sub-100ms response times. Contributed in Agile teams via Jira and Git to improve delivery speed by 25%. Automated build/deploy pipelines with Maven/Jenkins on AWS, reducing release time by 30%.

Education

Master's in Data Science at University of Maryland, Baltimore County
January 11, 2030 - May 1, 2024
Bachelor's in Computer Science at Andhra University
January 11, 2030 - April 1, 2019

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Financial Services, Software & Internet

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Hire a Production Manager

We have the best production manager experts on Twine. Hire a production manager in Baltimore today.